Football may be America's favourite sport, but NFL viewership declined by 8% in 2016/17. And while violent sports may appeal to some, long-term health concerns have created an image problem. The American 7s Football League tackles these issues head-on, bringing the game to a wider audience.

From taking #nomakeup selfies to signing petitions on political issues, a growing sense of social responsibility and commitment to local community have changed the way people view social action. Is caring about causes the new badge of cool? And has it become ‘chic’ to protest?

When the Olympics roll around every four years, the 16-day extravaganza unites the world in a celebration of sport. But with two cities withdrawing their bids for 2024, the event’s prestige is in doubt. Can reconnecting with its core values make the Olympics – and its sponsors – more appealing?

While other talk show hosts in the US are confronting the nation's political issues, The Tonight Show’s Jimmy Fallon is avoiding touchy subject matter. But politically disenfranchised Americans are counting on pop culture to represent their views, and it's costing apolitical entertainers their audiences.